Real Estate

Here is a link to a website that shows listings of houses and apartments
http://www.nicerent.com/mn_korea_seoul_apartments/seoul_apartments_main.asp?gclid=CL7JlL6pipICFSOsGgod-2f5DA

The International Real Estate page
http://www.reals.com/international/south_korea.htm

Apartment listings in Seoul
http://www.seoulapartment.net/